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Posted to issues@flink.apache.org by GitBox <gi...@apache.org> on 2019/01/28 08:21:51 UTC
[GitHub] dawidwys commented on issue #7584: [FLINK-11030] Make SpecificData
of AvroDeserializationScheme configurable
dawidwys commented on issue #7584: [FLINK-11030] Make SpecificData of AvroDeserializationScheme configurable
URL: https://github.com/apache/flink/pull/7584#issuecomment-458035366
I think this is a valid approach on the Kafka serialization schema side. Unfortunately the registered factory is not propagated to `AvroSerializer` via `getProducedType`, what will result in a failure if it is used for non-chained operators.
I think if we want to fix it properly and completely we should do a similar thing for `AvroTypeInfo`/`GenericRecordAvroTypeInfo`/`AvroSerializer`.
A workaround that I am aware of for this issue without any changes on flink side would be to use `conversions` field for SpecificData, but unfortunately it is broken for avro <= 1.9, if logical types are used for unions, arrays etc. (https://issues.apache.org/jira/browse/AVRO-2065, https://issues.apache.org/jira/browse/AVRO-1891).
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